March 15, 2016 Exit Polls, Republican primary voters in all 5 states favor temporary ban on Muslims entering the US. From CNN Election Center:
Illinois, Missouri, Florida, Ohio, North Carolina
"Do you favor a temporary ban on Muslims entering the US?"
Ohio: Yes, 64%
Florida: Yes, 64%
North Carolina: Yes, 67%
Illinois: Yes, 69%
Missouri: Yes, 73%
On CNN Election page for each state, click exit poll data, then click page two of exit poll data.